<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    {% block mytitle %}
    <title>Title</title>
    {% endblock %}
</head>
<body>
<a href="/music_index">音乐频道</a>

<br>
{% block info %}
这是主页
{% endblock %}
</br>

</body>
</html>